27 files changed, 123 insertions, 41 deletions

diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index 84d3d9f034ceb2..d3bc25e6d27da8 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -427,7 +427,8 @@ extern int acpi_mp_config;
 extern struct acpi_table_mcfg_config *pci_mmcfg_config;
 extern int pci_mmcfg_config_num;
 
-extern int sbf_port ;
+extern int sbf_port;
+extern unsigned long acpi_video_flags;
 
 #else	/* !CONFIG_ACPI */
 
diff --git a/include/linux/compat.h b/include/linux/compat.h
index f9ca534787e24c..c9ab2a26348cd6 100644
--- a/include/linux/compat.h
+++ b/include/linux/compat.h
@@ -161,5 +161,25 @@ int copy_siginfo_to_user32(struct compat_siginfo __user *to, siginfo_t *from);
 int get_compat_sigevent(struct sigevent *event,
 		const struct compat_sigevent __user *u_event);
 
+static inline int compat_timeval_compare(struct compat_timeval *lhs,
+					struct compat_timeval *rhs)
+{
+	if (lhs->tv_sec < rhs->tv_sec)
+		return -1;
+	if (lhs->tv_sec > rhs->tv_sec)
+		return 1;
+	return lhs->tv_usec - rhs->tv_usec;
+}
+
+static inline int compat_timespec_compare(struct compat_timespec *lhs,
+					struct compat_timespec *rhs)
+{
+	if (lhs->tv_sec < rhs->tv_sec)
+		return -1;
+	if (lhs->tv_sec > rhs->tv_sec)
+		return 1;
+	return lhs->tv_nsec - rhs->tv_nsec;
+}
+
 #endif /* CONFIG_COMPAT */
 #endif /* _LINUX_COMPAT_H */
diff --git a/include/linux/cpumask.h b/include/linux/cpumask.h
index 20b446f26ecd44..60e56c6e03dd3e 100644
--- a/include/linux/cpumask.h
+++ b/include/linux/cpumask.h
@@ -328,7 +328,7 @@ static inline void __cpus_remap(cpumask_t *dstp, const cpumask_t *srcp,
  * bitmap of size NR_CPUS.
  *
  *  #ifdef CONFIG_HOTPLUG_CPU
- *     cpu_possible_map - all NR_CPUS bits set
+ *     cpu_possible_map - has bit 'cpu' set iff cpu is populatable
  *     cpu_present_map  - has bit 'cpu' set iff cpu is populated
  *     cpu_online_map   - has bit 'cpu' set iff cpu available to scheduler
  *  #else
diff --git a/include/linux/jbd.h b/include/linux/jbd.h
index 0fe4aa891ddc1f..41ee79962bb26c 100644
--- a/include/linux/jbd.h
+++ b/include/linux/jbd.h
@@ -498,12 +498,6 @@ struct transaction_s
 	struct journal_head	*t_checkpoint_list;
 
 	/*
-	 * Doubly-linked circular list of all buffers submitted for IO while
-	 * checkpointing. [j_list_lock]
-	 */
-	struct journal_head	*t_checkpoint_io_list;
-
-	/*
 	 * Doubly-linked circular list of temporary buffers currently undergoing
 	 * IO in the log [j_list_lock]
 	 */
@@ -852,7 +846,7 @@ extern void journal_commit_transaction(journal_t *);
 
 /* Checkpoint list management */
 int __journal_clean_checkpoint_list(journal_t *journal);
-int __journal_remove_checkpoint(struct journal_head *);
+void __journal_remove_checkpoint(struct journal_head *);
 void __journal_insert_checkpoint(struct journal_head *, transaction_t *);
 
 /* Buffer IO */
diff --git a/include/linux/kbd_kern.h b/include/linux/kbd_kern.h
index 3aed37314ab805..e87c32a5c86a02 100644
--- a/include/linux/kbd_kern.h
+++ b/include/linux/kbd_kern.h
@@ -153,8 +153,10 @@ static inline void con_schedule_flip(struct tty_struct *t)
 {
 	unsigned long flags;
 	spin_lock_irqsave(&t->buf.lock, flags);
-	if (t->buf.tail != NULL)
+	if (t->buf.tail != NULL) {
 		t->buf.tail->active = 0;
+		t->buf.tail->commit = t->buf.tail->used;
+	}
 	spin_unlock_irqrestore(&t->buf.lock, flags);
 	schedule_work(&t->buf.work);
 }
diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index b49affa0ac5a4d..3b507bf05d0983 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -326,12 +326,6 @@ struct sysinfo {
 /* Force a compilation error if condition is true */
 #define BUILD_BUG_ON(condition) ((void)sizeof(char[1 - 2*!!(condition)]))
 
-#ifdef CONFIG_SYSCTL
-extern int randomize_va_space;
-#else
-#define randomize_va_space 1
-#endif
-
 /* Trap pasters of __FUNCTION__ at compile-time */
 #define __FUNCTION__ (__func__)
 
diff --git a/include/linux/kexec.h b/include/linux/kexec.h
index a311f58c8a7cde..cfb3410e32b16c 100644
--- a/include/linux/kexec.h
+++ b/include/linux/kexec.h
@@ -6,6 +6,7 @@
 #include <linux/list.h>
 #include <linux/linkage.h>
 #include <linux/compat.h>
+#include <linux/ioport.h>
 #include <asm/kexec.h>
 
 /* Verify architecture specific macros are defined */
diff --git a/include/linux/kobject.h b/include/linux/kobject.h
index 2a8d8da709618c..c374b5fa8d3bbd 100644
--- a/include/linux/kobject.h
+++ b/include/linux/kobject.h
@@ -41,8 +41,10 @@ enum kobject_action {
 	KOBJ_ADD	= (__force kobject_action_t) 0x01,	/* exclusive to core */
 	KOBJ_REMOVE	= (__force kobject_action_t) 0x02,	/* exclusive to core */
 	KOBJ_CHANGE	= (__force kobject_action_t) 0x03,	/* device state change */
-	KOBJ_OFFLINE	= (__force kobject_action_t) 0x04,	/* device offline */
-	KOBJ_ONLINE	= (__force kobject_action_t) 0x05,	/* device online */
+	KOBJ_MOUNT	= (__force kobject_action_t) 0x04,	/* mount event for block devices (broken) */
+	KOBJ_UMOUNT	= (__force kobject_action_t) 0x05,	/* umount event for block devices (broken) */
+	KOBJ_OFFLINE	= (__force kobject_action_t) 0x06,	/* device offline */
+	KOBJ_ONLINE	= (__force kobject_action_t) 0x07,	/* device online */
 };
 
 struct kobject {
diff --git a/include/linux/ktime.h b/include/linux/ktime.h
index 6aca67a569a2ff..f3dec45ef874d2 100644
--- a/include/linux/ktime.h
+++ b/include/linux/ktime.h
@@ -96,10 +96,16 @@ static inline ktime_t ktime_set(const long secs, const unsigned long nsecs)
 		({ (ktime_t){ .tv64 = (kt).tv64 + (nsval) }; })
 
 /* convert a timespec to ktime_t format: */
-#define timespec_to_ktime(ts)		ktime_set((ts).tv_sec, (ts).tv_nsec)
+static inline ktime_t timespec_to_ktime(struct timespec ts)
+{
+	return ktime_set(ts.tv_sec, ts.tv_nsec);
+}
 
 /* convert a timeval to ktime_t format: */
-#define timeval_to_ktime(tv)		ktime_set((tv).tv_sec, (tv).tv_usec * 1000)
+static inline ktime_t timeval_to_ktime(struct timeval tv)
+{
+	return ktime_set(tv.tv_sec, tv.tv_usec * NSEC_PER_USEC);
+}
 
 /* Map the ktime_t to timespec conversion to ns_to_timespec function */
 #define ktime_to_timespec(kt)		ns_to_timespec((kt).tv64)
diff --git a/include/linux/libata.h b/include/linux/libata.h
index 9e5db2949c588c..c91be5e64ededd 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -557,17 +557,29 @@ ata_sg_is_last(struct scatterlist *sg, struct ata_queued_cmd *qc)
 }
 
 static inline struct scatterlist *
+ata_qc_first_sg(struct ata_queued_cmd *qc)
+{
+	if (qc->n_elem)
+		return qc->__sg;
+	if (qc->pad_len)
+		return &qc->pad_sgent;
+	return NULL;
+}
+
+static inline struct scatterlist *
 ata_qc_next_sg(struct scatterlist *sg, struct ata_queued_cmd *qc)
 {
 	if (sg == &qc->pad_sgent)
 		return NULL;
 	if (++sg - qc->__sg < qc->n_elem)
 		return sg;
-	return qc->pad_len ? &qc->pad_sgent : NULL;
+	if (qc->pad_len)
+		return &qc->pad_sgent;
+	return NULL;
 }
 
 #define ata_for_each_sg(sg, qc) \
-	for (sg = qc->__sg; sg; sg = ata_qc_next_sg(sg, qc))
+	for (sg = ata_qc_first_sg(qc); sg; sg = ata_qc_next_sg(sg, qc))
 
 static inline unsigned int ata_tag_valid(unsigned int tag)
 {
diff --git a/include/linux/lockd/lockd.h b/include/linux/lockd/lockd.h
index 920766cea79cbc..ef21ed296039dc 100644
--- a/include/linux/lockd/lockd.h
+++ b/include/linux/lockd/lockd.h
@@ -149,7 +149,7 @@ struct nlm_rqst * nlmclnt_alloc_call(void);
 int		  nlmclnt_prepare_block(struct nlm_rqst *req, struct nlm_host *host, struct file_lock *fl);
 void		  nlmclnt_finish_block(struct nlm_rqst *req);
 long		  nlmclnt_block(struct nlm_rqst *req, long timeout);
-u32		  nlmclnt_grant(struct nlm_lock *);
+u32		  nlmclnt_grant(const struct sockaddr_in *addr, const struct nlm_lock *);
 void		  nlmclnt_recovery(struct nlm_host *, u32);
 int		  nlmclnt_reclaim(struct nlm_host *, struct file_lock *);
 int		  nlmclnt_setgrantargs(struct nlm_rqst *, struct nlm_lock *);
@@ -204,7 +204,7 @@ nlmsvc_file_inode(struct nlm_file *file)
  * Compare two host addresses (needs modifying for ipv6)
  */
 static __inline__ int
-nlm_cmp_addr(struct sockaddr_in *sin1, struct sockaddr_in *sin2)
+nlm_cmp_addr(const struct sockaddr_in *sin1, const struct sockaddr_in *sin2)
 {
 	return sin1->sin_addr.s_addr == sin2->sin_addr.s_addr;
 }
@@ -214,7 +214,7 @@ nlm_cmp_addr(struct sockaddr_in *sin1, struct sockaddr_in *sin2)
  * When the second lock is of type F_UNLCK, this acts like a wildcard.
  */
 static __inline__ int
-nlm_compare_locks(struct file_lock *fl1, struct file_lock *fl2)
+nlm_compare_locks(const struct file_lock *fl1, const struct file_lock *fl2)
 {
 	return	fl1->fl_pid   == fl2->fl_pid
 	     && fl1->fl_start == fl2->fl_start
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 75e9f0724997e6..498ff8778fb6d6 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -1051,5 +1051,11 @@ int shrink_slab(unsigned long scanned, gfp_t gfp_mask,
 void drop_pagecache(void);
 void drop_slab(void);
 
+#ifndef CONFIG_MMU
+#define randomize_va_space 0
+#else
+extern int randomize_va_space;
+#endif
+
 #endif /* __KERNEL__ */
 #endif /* _LINUX_MM_H */
diff --git a/include/linux/mmc/mmc.h b/include/linux/mmc/mmc.h
index f38872abc12669..bdc556d884989c 100644
--- a/include/linux/mmc/mmc.h
+++ b/include/linux/mmc/mmc.h
@@ -49,7 +49,7 @@ struct mmc_command {
 /*
  * These are the command types.
  */
-#define mmc_cmd_type(cmd)	((cmd)->flags & MMC_CMD_TYPE)
+#define mmc_cmd_type(cmd)	((cmd)->flags & MMC_CMD_MASK)
 
 	unsigned int		retries;	/* max number of retries */
 	unsigned int		error;		/* command error */
diff --git a/include/linux/netfilter.h b/include/linux/netfilter.h
index 4cf6088625c1c6..4688969398434d 100644
--- a/include/linux/netfilter.h
+++ b/include/linux/netfilter.h
@@ -184,8 +184,11 @@ static inline int nf_hook_thresh(int pf, unsigned int hook,
 				 struct sk_buff **pskb,
 				 struct net_device *indev,
 				 struct net_device *outdev,
-				 int (*okfn)(struct sk_buff *), int thresh)
+				 int (*okfn)(struct sk_buff *), int thresh,
+				 int cond)
 {
+	if (!cond)
+		return 1;
 #ifndef CONFIG_NETFILTER_DEBUG
 	if (list_empty(&nf_hooks[pf][hook]))
 		return 1;
@@ -197,7 +200,7 @@ static inline int nf_hook(int pf, unsigned int hook, struct sk_buff **pskb,
 			  struct net_device *indev, struct net_device *outdev,
 			  int (*okfn)(struct sk_buff *))
 {
-	return nf_hook_thresh(pf, hook, pskb, indev, outdev, okfn, INT_MIN);
+	return nf_hook_thresh(pf, hook, pskb, indev, outdev, okfn, INT_MIN, 1);
 }
                    
 /* Activate hook; either okfn or kfree_skb called, unless a hook
@@ -224,7 +227,13 @@ static inline int nf_hook(int pf, unsigned int hook, struct sk_buff **pskb,
 
 #define NF_HOOK_THRESH(pf, hook, skb, indev, outdev, okfn, thresh)	       \
 ({int __ret;								       \
-if ((__ret=nf_hook_thresh(pf, hook, &(skb), indev, outdev, okfn, thresh)) == 1)\
+if ((__ret=nf_hook_thresh(pf, hook, &(skb), indev, outdev, okfn, thresh, 1)) == 1)\
+	__ret = (okfn)(skb);						       \
+__ret;})
+
+#define NF_HOOK_COND(pf, hook, skb, indev, outdev, okfn, cond)		       \
+({int __ret;								       \
+if ((__ret=nf_hook_thresh(pf, hook, &(skb), indev, outdev, okfn, INT_MIN, cond)) == 1)\
 	__ret = (okfn)(skb);						       \
 __ret;})
 
@@ -295,11 +304,13 @@ extern struct proc_dir_entry *proc_net_netfilter;
 
 #else /* !CONFIG_NETFILTER */
 #define NF_HOOK(pf, hook, skb, indev, outdev, okfn) (okfn)(skb)
+#define NF_HOOK_COND(pf, hook, skb, indev, outdev, okfn, cond) (okfn)(skb)
 static inline int nf_hook_thresh(int pf, unsigned int hook,
 				 struct sk_buff **pskb,
 				 struct net_device *indev,
 				 struct net_device *outdev,
-				 int (*okfn)(struct sk_buff *), int thresh)
+				 int (*okfn)(struct sk_buff *), int thresh,
+				 int cond)
 {
 	return okfn(*pskb);
 }
@@ -307,7 +318,7 @@ static inline int nf_hook(int pf, unsigned int hook, struct sk_buff **pskb,
 			  struct net_device *indev, struct net_device *outdev,
 			  int (*okfn)(struct sk_buff *))
 {
-	return okfn(*pskb);
+	return 1;
 }
 static inline void nf_ct_attach(struct sk_buff *new, struct sk_buff *skb) {}
 struct flowi;
diff --git a/include/linux/netfilter_ipv4.h b/include/linux/netfilter_ipv4.h
index fdc4a95273439e..43c09d790b8381 100644
--- a/include/linux/netfilter_ipv4.h
+++ b/include/linux/netfilter_ipv4.h
@@ -79,7 +79,7 @@ enum nf_ip_hook_priorities {
 
 #ifdef __KERNEL__
 extern int ip_route_me_harder(struct sk_buff **pskb);
-
+extern int ip_xfrm_me_harder(struct sk_buff **pskb);
 #endif /*__KERNEL__*/
 
 #endif /*__LINUX_IP_NETFILTER_H*/
diff --git a/include/linux/netlink.h b/include/linux/netlink.h
index 6a2ccf78a35640..c256ebe2a7b448 100644
--- a/include/linux/netlink.h
+++ b/include/linux/netlink.h
@@ -160,7 +160,8 @@ extern int netlink_unregister_notifier(struct notifier_block *nb);
 
 /* finegrained unicast helpers: */
 struct sock *netlink_getsockbyfilp(struct file *filp);
-int netlink_attachskb(struct sock *sk, struct sk_buff *skb, int nonblock, long timeo);
+int netlink_attachskb(struct sock *sk, struct sk_buff *skb, int nonblock,
+		long timeo, struct sock *ssk);
 void netlink_detachskb(struct sock *sk, struct sk_buff *skb);
 int netlink_sendskb(struct sock *sk, struct sk_buff *skb, int protocol);
 
diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h
index 547d649b274e25..b4dc6e2e10c980 100644
--- a/include/linux/nfs_fs.h
+++ b/include/linux/nfs_fs.h
@@ -398,7 +398,7 @@ extern struct inode_operations nfs_symlink_inode_operations;
 extern int nfs_register_sysctl(void);
 extern void nfs_unregister_sysctl(void);
 #else
-#define nfs_register_sysctl() do { } while(0)
+#define nfs_register_sysctl() 0
 #define nfs_unregister_sysctl() do { } while(0)
 #endif
 
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index 7a61ccdcbc4bcb..82b83da25d77c9 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -1087,6 +1087,7 @@
 #define PCI_DEVICE_ID_NVIDIA_GEFORCE4_MX_440_8X 0x0181
 #define PCI_DEVICE_ID_NVIDIA_GEFORCE4_MX_440SE_8X 0x0182
 #define PCI_DEVICE_ID_NVIDIA_GEFORCE4_MX_420_8X 0x0183
+#define PCI_DEVICE_ID_NVIDIA_GEFORCE4_MX_4000   0x0185
 #define PCI_DEVICE_ID_NVIDIA_GEFORCE4_448_GO    0x0186
 #define PCI_DEVICE_ID_NVIDIA_GEFORCE4_488_GO    0x0187
 #define PCI_DEVICE_ID_NVIDIA_QUADRO4_580_XGL    0x0188
diff --git a/include/linux/ptrace.h b/include/linux/ptrace.h
index 9d5cd106b344bc..0d36750fc0f109 100644
--- a/include/linux/ptrace.h
+++ b/include/linux/ptrace.h
@@ -84,6 +84,7 @@ extern int ptrace_readdata(struct task_struct *tsk, unsigned long src, char __us
 extern int ptrace_writedata(struct task_struct *tsk, char __user *src, unsigned long dst, int len);
 extern int ptrace_attach(struct task_struct *tsk);
 extern int ptrace_detach(struct task_struct *, unsigned int);
+extern void __ptrace_detach(struct task_struct *, unsigned int);
 extern void ptrace_disable(struct task_struct *);
 extern int ptrace_check_attach(struct task_struct *task, int kill);
 extern int ptrace_request(struct task_struct *child, long request, long addr, long data);
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 9c1da0269a1858..b6f51e3a38ecdf 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -697,12 +697,9 @@ struct task_struct {
 
 	int lock_depth;		/* BKL lock depth */
 
-#if defined(CONFIG_SMP)
-	int last_waker_cpu;	/* CPU that last woke this task up */
-#if defined(__ARCH_WANT_UNLOCKED_CTXSW)
+#if defined(CONFIG_SMP) && defined(__ARCH_WANT_UNLOCKED_CTXSW)
 	int oncpu;
 #endif
-#endif
 	int prio, static_prio;
 	struct list_head run_list;
 	prio_array_t *array;
diff --git a/include/linux/swap.h b/include/linux/swap.h
index f3e17d5963c38c..d572b19afb7d1a 100644
--- a/include/linux/swap.h
+++ b/include/linux/swap.h
@@ -147,7 +147,7 @@ struct swap_list_t {
 #define vm_swap_full() (nr_swap_pages*2 < total_swap_pages)
 
 /* linux/mm/oom_kill.c */
-extern void out_of_memory(gfp_t gfp_mask, int order);
+extern void out_of_memory(struct zonelist *zonelist, gfp_t gfp_mask, int order);
 
 /* linux/mm/memory.c */
 extern void swapin_readahead(swp_entry_t, unsigned long, struct vm_area_struct *);
diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h
index 3877209d23c35e..d73501ba7e441a 100644
--- a/include/linux/syscalls.h
+++ b/include/linux/syscalls.h
@@ -557,6 +557,8 @@ asmlinkage long sys_openat(int dfd, const char __user *filename, int flags,
 			   int mode);
 asmlinkage long sys_newfstatat(int dfd, char __user *filename,
 			       struct stat __user *statbuf, int flag);
+asmlinkage long sys_fstatat64(int dfd, char __user *filename,
+			       struct stat64 __user *statbuf, int flag);
 asmlinkage long sys_readlinkat(int dfd, const char __user *path, char __user *buf,
 			       int bufsiz);
 asmlinkage long compat_sys_futimesat(unsigned int dfd, char __user *filename,
diff --git a/include/linux/sysctl.h b/include/linux/sysctl.h
index 32a4139c4ad8f9..0e92bf7ec28e26 100644
--- a/include/linux/sysctl.h
+++ b/include/linux/sysctl.h
@@ -146,6 +146,7 @@ enum
 	KERN_RANDOMIZE=68, /* int: randomize virtual address space */
 	KERN_SETUID_DUMPABLE=69, /* int: behaviour of dumps for setuid core */
 	KERN_SPIN_RETRY=70,	/* int: number of spinlock retries */
+	KERN_ACPI_VIDEO_FLAGS=71, /* int: flags for setting up video after ACPI sleep */
 };
 
 
diff --git a/include/linux/time.h b/include/linux/time.h
index 7b4dc36532bb19..d9cdba54b78931 100644
--- a/include/linux/time.h
+++ b/include/linux/time.h
@@ -33,11 +33,34 @@ struct timezone {
 #define NSEC_PER_SEC		1000000000L
 #define NSEC_PER_USEC		1000L
 
-static __inline__ int timespec_equal(struct timespec *a, struct timespec *b)
+static inline int timespec_equal(struct timespec *a, struct timespec *b)
 {
 	return (a->tv_sec == b->tv_sec) && (a->tv_nsec == b->tv_nsec);
 }
 
+/*
+ * lhs < rhs:  return <0
+ * lhs == rhs: return 0
+ * lhs > rhs:  return >0
+ */
+static inline int timespec_compare(struct timespec *lhs, struct timespec *rhs)
+{
+	if (lhs->tv_sec < rhs->tv_sec)
+		return -1;
+	if (lhs->tv_sec > rhs->tv_sec)
+		return 1;
+	return lhs->tv_nsec - rhs->tv_nsec;
+}
+
+static inline int timeval_compare(struct timeval *lhs, struct timeval *rhs)
+{
+	if (lhs->tv_sec < rhs->tv_sec)
+		return -1;
+	if (lhs->tv_sec > rhs->tv_sec)
+		return 1;
+	return lhs->tv_usec - rhs->tv_usec;
+}
+
 extern unsigned long mktime(const unsigned int year, const unsigned int mon,
 			    const unsigned int day, const unsigned int hour,
 			    const unsigned int min, const unsigned int sec);
diff --git a/include/linux/timex.h b/include/linux/timex.h
index 04a4a8cb4ed37a..b7ca1204e42ac6 100644
--- a/include/linux/timex.h
+++ b/include/linux/timex.h
@@ -345,6 +345,9 @@ time_interpolator_reset(void)
 
 #endif /* !CONFIG_TIME_INTERPOLATION */
 
+/* Returns how long ticks are at present, in ns / 2^(SHIFT_SCALE-10). */
+extern u64 current_tick_length(void);
+
 #endif /* KERNEL */
 
 #endif /* LINUX_TIMEX_H */
diff --git a/include/linux/tty.h b/include/linux/tty.h
index a7bd3b4558d26e..f45cd74e6f243d 100644
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -58,6 +58,8 @@ struct tty_buffer {
 	int used;
 	int size;
 	int active;
+	int commit;
+	int read;
 	/* Data points here */
 	unsigned long data[0];
 };
diff --git a/include/linux/tty_flip.h b/include/linux/tty_flip.h
index 82961eb1988861..222faf97d5f9cb 100644
--- a/include/linux/tty_flip.h
+++ b/include/linux/tty_flip.h
@@ -29,8 +29,10 @@ _INLINE_ void tty_schedule_flip(struct tty_struct *tty)
 {
 	unsigned long flags;
 	spin_lock_irqsave(&tty->buf.lock, flags);
-	if (tty->buf.tail != NULL)
+	if (tty->buf.tail != NULL) {
 		tty->buf.tail->active = 0;
+		tty->buf.tail->commit = tty->buf.tail->used;
+	}
 	spin_unlock_irqrestore(&tty->buf.lock, flags);
 	schedule_delayed_work(&tty->buf.work, 1);
 }